package gdut.test02;

public class LamdaUtils {
    public static int add(Count count){
        int num1 = 2;
        int num2 = 3;
        int add = count.add(num1, num2);
        return add;
    }
    public static void printStr(PrintStr printStr){
        String str = "hello world";
        printStr.handle(str);
    }
}
